What is Arc Radius

This is just one of the numerous warnings i was receiving during a cut. Each warning would have "Arc radiuses differ by (amount)
“Arc radiuses differ by 0.000999714mm”

I was cutting a multi clamp.

Did it stop cutting when the error came up?
If not then I think it is just a warning that the arc start, end and center points are not mathematically perfect. The controller is able to handle some amount of arc deviations. I have seen this with other controllers. I have never seen it yet with 1F.

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